'use strict'
const settings = require('./src/settings.js')
const path = require('path')

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = settings.title // page title
// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// const port = 9527 // dev port

const targetUrl = process.env.VUE_APP_DEV_REQUEST_DOMAIN_PREFIX
const proxyUrl = process.env.VUE_APP_BASE_API

// console.log(process.env.VUE_APP_DEV_REQUEST_DOMAIN_PREFIX)
// console.log(process.env.VUE_APP_BASE_API)
// console.log(process.env.VUE_APP_PROD_REQUEST_DOMAIN_PREFIX)
// console.log(process.env)

// All configuration item explanations can be find in https://cli.vuejs.org/config/

const port = process.env.port || process.env.npm_config_port || 9528 // dev port

module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: './',
  outputDir: process.env.VUE_APP_PROJECT_NAME,
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,

  devServer: {
    port: port, open: true, overlay: {
      warnings: false, errors: true
    }, proxy: {
      '/api': {
        target: 'http://127.0.0.1:8760/api', changeOrigin: true
      }
    }
  },

  // devServer: {
  //   // port: port,
  //   //port: port,
  //   open: true,
  //   overlay: {
  //     warnings: false,
  //     errors: true
  //   },
  //   contentBase: './',
  //   proxy: {
  //     // change xxx-api/login => ≥mock/login
  //     // detail: https://cli.vuejs.org/config/#devserver-proxy
  //     /**
  //      * /api/web-manager/user/login
  //      */
  //     '/api': {
  //       target: 'http://127.0.0.1:8760',
  //       changeOrigin: true,
  //       ws: true,
  //       pathRewrite: {
  //        '^/api':''
  //       }
  //     }
  //   /*  [proxyUrl]: {
  //       target: targetUrl,
  //       changeOrigin: true,
  //       pathRewrite: {
  //         ['^' + proxyUrl]: proxyUrl
  //       }
  //     }*/
  //   }
  // },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name, resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development', config => config.devtool('cheap-source-map'))

    config
      .when(process.env.NODE_ENV !== 'development', config => {
        config
          .plugin('ScriptExtHtmlWebpackPlugin')
          .after('html')
          .use('script-ext-html-webpack-plugin', [{
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/
          }])
          .end()
        config
          .optimization.splitChunks({
          chunks: 'all', cacheGroups: {
            libs: {
              name: 'chunk-libs', test: /[\\/]node_modules[\\/]/, priority: 10, chunks: 'initial' // only package third parties that are initially dependent
            }, elementUI: {
              name: 'chunk-elementUI', // split elementUI into a single package
              priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
              test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
            }, commons: {
              name: 'chunk-commons', test: resolve('src/components'), // can customize your rules
              minChunks: 3, //  minimum common number
              priority: 5, reuseExistingChunk: true
            }
          }
        })
        config.optimization.runtimeChunk('single')
      })
  }
}
